1. Department of Medicine, University of California, San Francisco, CA, USA
2. San Francisco VA Medical Center, San Francisco, CA, USA
3. Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
4. F.I. Proctor Foundation, University of California San Francisco, CA, USA
5. Northern California Institute for Research and Education, The Veterans Health Research Institute, San Francisco, CA, USA
6. UC San Francisco and UC Berkeley Joint Medical Program, San Francisco, CA, USA
7. VA HSR&D Center for Health Information and Communication, Indianapolis, IN, USA
8. Purdue University College of Pharmacy, West Lafayette, IN, USA
9. Department of Biostatistics, College of Public Health University of Nebraska Medical Center, Omaha, NE, USA
10. Center for Health Information and Communication (CHIC), Health Services and Development (HSR&D), U.S. Department of Veterans Affairs (VA), Washington, DC, USA
11. The Department of Medicine, Richard L. Roudebush VA Medical Center; Indianapolis, IN, USA
12. Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
13. Regenstrief Institute, Indianapolis, IN, USA